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  1. Replies
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    908

    I sure do hope the sales of dough produce enough...

    I sure do hope the sales of dough produce enough dough to pay for the two helical gears:rolleyes5:

    These things don't grow on trees and the gear shops take full advantage of that

    You may know...
  2. A version of How To Run A Lathe is in two parts...

    A version of How To Run A Lathe is in two parts here

    South Bend Lathe Works - Publication Reprints | VintageMachinery.org

    You have a 9A, possibly from the nineteen-forties

    Here is a catalog...
  3. Replies
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    477

    Then no, it is not obsolete If you ever get a...

    Then no, it is not obsolete

    If you ever get a chance, thumb through Foundations of Mechanical Accuracy by Mr. Moore - to see the extreme efforts this outfit went thru to build the best

    Where...
  4. Older than I would have supposed - D208 is 1957 -...

    Older than I would have supposed - D208 is 1957 - and in the serial book it is a "hack saw":D

    Gee - it will be "retirement" age next year
  5. Replies
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    1,287

    J.A. N. is usually for Joint Army Navy - which I...

    J.A. N. is usually for Joint Army Navy - which I suppose was a government purchasing outfit
  6. Replies
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    1,279

    Part of 4 way tilt table, and the busted part is...

    Part of 4 way tilt table, and the busted part is similar to the later 111-031100

    Measure it up - make a dimensioned sketch - build a wood pattern and have one cast up from Ductile Iron (or even...
  7. Improved version of the flapping belt variety. ...

    Improved version of the flapping belt variety. Ancient ones (simply the 8) had zero hydraulics and pinion and bevel gear bottom band wheel for the flat belt / cone pulley to drive

    You may have...
  8. Replies
    15
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    4,814

    Photo, though fairly well rusted up, shows a key...

    Photo, though fairly well rusted up, shows a key way milled with a saw type cutter - most likely in a horizontal mill

    (that is where the "taper" comes from)
  9. Replies
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    480

    Not my drawing - part of a large file on the 9A...

    Not my drawing - part of a large file on the 9A gearing someone put together , and they are referring to gear box not being the one supplied on Metric lead screw lathes - I guess
  10. Replies
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    480

    See tag on gear box and note there are TWO "stud"...

    See tag on gear box and note there are TWO "stud" gears - 40 and 20. You can't use them at the same time, so you store the one you are not using on the gear box shaft

    Here is a photo showing...
  11. Here is a refresh from General - and the word...

    Here is a refresh from General - and the word Anywhere is still there

    Machinery Discussion Guidelines

    have fun
  12. Replies
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    2,560

    New Jersey was the home of Wright Aeronautical -...

    New Jersey was the home of Wright Aeronautical - P&WA's main competition 80 years ago
  13. Replies
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    2,560

    November '64 to August '68 in East Hartford (less...

    November '64 to August '68 in East Hartford (less than four years to do the 8000 hours) - but the name rings no bells. "Class" names MA 32 and T&D 16

    325563325564
  14. Replies
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    2,560

    And before all the nice ready made stuff we were...

    And before all the nice ready made stuff we were just expected to do it ourselves:D

    325544
  15. Thread: Spindle Swap

    by johnoder
    Replies
    6
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    360

    Click on catalogs by date - there are four pages...

    Click on catalogs by date - there are four pages of them

    The SBL Workshop

    have fun
  16. Thread: Spindle Swap

    by johnoder
    Replies
    6
    Views
    360

    For whatever its worth, catalog 100-F states both...

    For whatever its worth, catalog 100-F states both the Heavy 10 big bore spindle and small bore spindle both had 2 1/4" O.D. front spindle bearings

    It further sates the small spindle bore 13 had 2...
  17. Replies
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    2,208

    Maybe B68? A D is a big heavy belt

    Maybe B68? A D is a big heavy belt
  18. Replies
    3
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    375

    You will need the 4.25" bore jobs This will be...

    You will need the 4.25" bore jobs

    This will be the later job that you have to have belts off when you are figuring out which way to run the motor - its a no-no to run input pulley the wrong way
    ...
  19. Replies
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    Lots of history there. K&T patented both the...

    Lots of history there. K&T patented both the face keyed / flanged spindle nose AND the double round over arms in the early teens - forcing folks like Cincinnati and B&S to pay them royalties for...
  20. Replies
    35
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    2,208

    That's a tool that goes in spindle - go to mill,...

    That's a tool that goes in spindle - go to mill, bend over as needed and tell us the dia of the spindle nose that is hanging out (down) a bit at the bottom of the sliding head - (that is the bottom...
  21. Replies
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    CXA was perfect on my ( actual swing 14 1/2" )...

    CXA was perfect on my ( actual swing 14 1/2" ) 12" Pratt & Whitney. If the Harrison is nearer 13" actual swing maybe a BXA would be a better fit
  22. Replies
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    2,208

    Amazing - factory sales info gives the impression...

    Amazing - factory sales info gives the impression all the 2H machines had 50 taper as of 1940, but they don't:D
  23. Replies
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    2,208

    Or just slap a mic or even old time spring...

    Or just slap a mic or even old time spring calipers on the spindle nose - you'll know in a flash without taking anything apart

    50 will be nearly dead nuts 5.062 O.D.
  24. Replies
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    My '39 full line catalog says the 2HL had 40 and...

    My '39 full line catalog says the 2HL had 40 and the 2H had 40 with an extra charge for 50. I am guessing by '43 they were mostly 50, but they are easy to check - 40 has 3 1/2" OD spindle nose and...
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    Its a 2H so you don't need 40 taper stuff

    Its a 2H so you don't need 40 taper stuff
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